Results 311 to 320 of about 842,690 (365)

An osteohistological analysis of Triceratops (Ornithischia: Ceratopsidae) cranial ornamentation

open access: yesThe Anatomical Record, EarlyView.
Abstract Ceratopsids are among the most distinctive and well known extinct Cretaceous vertebrates, yet many details regarding the growth and composition of their cranial features are still not fully anatomically described or understood. In particular, striking cranial adornments such as the postorbital horns and parietal‐squamosal frill of Triceratops ...
Kyle D. Obuszewski   +2 more
wiley   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source
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New Irregular Archaeocyath taxa

Geobios, 1990
Abstract New criteria have been established for classification of Irregular Archaeocyatha based on the trends in developmentof the intervallar elements and structures of outer and inner walls. This revision necessitates establishing new genera and sometimes new families to be consistent with the revised systematics.
Françoise Debrenne, Andrei Zhuravlev
openaire   +1 more source

New Taxa and New Combinations

Nelumbo, 2013
No abstract.
openaire   +1 more source

The Endomycetaceae: new concepts, new taxa

Canadian Journal of Botany, 1977
The Endomycetaceae is redefined and expanded to include yeasts and fungi bearing ascocarps or ascophores but is restricted to genera producing either galeate ascospores or other characteristics indicating affinities to the central genus Ceratocystis. The genus Endomyces is emended and a neotype is selected for the type species, E. decipiens. Endomyces
Scott A. Redhead, David W. Malloch
openaire   +1 more source

New taxa in Commelinaceae

Botanical Journal of the Linnean Society, 1981
Two new names are published: Gibasis venustula subsp. robusta D. R. Hunt and Tradescantia poelliaeT). R. Hunt.
openaire   +1 more source

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